111904299441 has 135 divisors (see below), whose sum is σ = 191620364859. Its totient is φ = 65030882400.

The previous prime is 111904299407. The next prime is 111904299473. The reversal of 111904299441 is 144992409111.

The square root of 111904299441 is 334521.

It is a perfect power (a square), and thus also a powerful number.

111904299441 is a `hidden beast` number, since 1 + 11 + 90 + 429 + 94 + 41 = 666.

It can be written as a sum of positive squares in only one way, i.e., 77996759841 + 33907539600 = 279279^2 + 184140^2 .

It is not a de Polignac number, because 111904299441 - 2³¹ = 109756815793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111904294441) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 1026644895 + ... + 1026645003.

Almost surely, 2^111904299441 is an apocalyptic number.

111904299441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111904299441 is the 334521-st square number.

111904299441 is the 167261-st centered octagonal number.

It is an amenable number.

111904299441 is a deficient number, since it is larger than the sum of its proper divisors (79716065418).

111904299441 is an equidigital number, since it uses as much as digits as its factorization.

111904299441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 111904299441 in words is "one hundred eleven billion, nine hundred four million, two hundred ninety-nine thousand, four hundred forty-one".